Re: Libpcap reentrancy and PF_RING patch

[Guy Harris <guy () alum mit edu>]

Luca Deri wrote:

> your comments are very valuable: thanks. I have enclosed a new patch 
> that should address all of them.

It's still not a context or unified diff, and I've subsequently made 
some changes to pcap-linux.c to move the SITA support code into 
pcap-sita.c, so the patch didn't apply correctly.

Also:

Would it work better if, for PF_RING sockets, there were a separate 
pcap_read_pf_ring, and handle->read_op were set to pcap_read_pf_ring if 
a PF_RING socket were being used?  That'd avoid some per-packet checks 
in the read_op routine, and might involve fewer #ifdefs as well.
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